macadress

r2p Asia-Pacific Pty Ltd

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix5C:2A:EF:00:00:00 /24
Vendor addressUnit 5, 18 Lexington Avenue, Bella Vista Sydney NSW AU 2153
Country🇦🇺  Australia
RegisteredOct 5, 2013
Block range5C:2A:EF:00:00:00– 5C:2A:EF:FF:FF:FF
Address capacity16,777,216
AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority
TransmissionUnicast: addressed to a single device
SourceIEEE Registration Authority

Address capacity is the size of this registered block, not a count of devices actually manufactured or online. Registration identifies the organization holding the block, not a specific device model or unit.

Curious how a prefix like this turns into a full address? See how MAC addresses are structured →

Ownership timeline

  1. Oct 5, 2013 – Sep 29, 2019 Open Access Pty Ltd name changed
  2. Sep 29, 2019 – present r2p Asia-Pacific Pty Ltd

Example addresses in this block

5C:2A:EF:00:00:00 5C:2A:EF:7F:FF:FF 5C:2A:EF:FF:FF:FF

Where this block sits

r2p Asia-Pacific Pty Ltd holds 1 registered blocks in the IEEE registry, ranking #24,041 of 33,427 organizations by block count.